GB1490735A - Method of hardening steel - Google Patents

Method of hardening steel

Info

Publication number
GB1490735A
GB1490735A GB28386/74A GB2838674A GB1490735A GB 1490735 A GB1490735 A GB 1490735A GB 28386/74 A GB28386/74 A GB 28386/74A GB 2838674 A GB2838674 A GB 2838674A GB 1490735 A GB1490735 A GB 1490735A
Authority
GB
United Kingdom
Prior art keywords
pulse
millisecs
time interval
hardening steel
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB28386/74A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB1490735A publication Critical patent/GB1490735A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Control Of Resistance Heating (AREA)
GB28386/74A 1973-07-25 1974-06-26 Method of hardening steel Expired GB1490735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732337684 DE2337684B2 (de) 1973-07-25 1973-07-25 Verfahren zur kurzzeithaertung von oberflaechenelementen haertbarer staehle

Publications (1)

Publication Number Publication Date
GB1490735A true GB1490735A (en) 1977-11-02

Family

ID=5887890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28386/74A Expired GB1490735A (en) 1973-07-25 1974-06-26 Method of hardening steel

Country Status (9)

Country Link
JP (1) JPS5716167B2 (xx)
AT (1) ATA355674A (xx)
BE (1) BE818031A (xx)
CA (1) CA1013033A (xx)
CH (1) CH599347A5 (xx)
DE (1) DE2337684B2 (xx)
FR (1) FR2238765B1 (xx)
GB (1) GB1490735A (xx)
SE (1) SE7409627L (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851142C2 (de) * 1978-11-25 1989-01-12 Neturen Co. Ltd., Tokyo Verfahren zur Herstellung eines hochfesten Federstahls
JPS5593730U (xx) * 1978-12-23 1980-06-28
JP2006083417A (ja) * 2004-09-15 2006-03-30 Kyushu Institute Of Technology 鉄合金製機構部品の表面改質法
JP2007231323A (ja) * 2006-02-28 2007-09-13 Kyushu Institute Of Technology 鉄合金製機構部品の表面改質法
US20180094334A1 (en) 2016-09-30 2018-04-05 Lear Corporation Laser spot hardening

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567897A (en) * 1967-03-17 1971-03-02 Inoue K Heating the undersurface of a conductive body by electric current conducted thereto by a shaped stream of electrolyte

Also Published As

Publication number Publication date
DE2337684A1 (de) 1975-02-06
BE818031A (fr) 1974-11-18
FR2238765A1 (xx) 1975-02-21
FR2238765B1 (xx) 1978-12-08
DE2337684B2 (de) 1976-11-11
SE7409627L (xx) 1975-01-27
CA1013033A (en) 1977-06-28
ATA355674A (de) 1977-09-15
JPS5044109A (xx) 1975-04-21
CH599347A5 (xx) 1978-05-31
JPS5716167B2 (xx) 1982-04-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee